Copper Adsorption on Olivine

Lei Shao; Rolf A. Kleiv; Kunt L. Sandvik; Cunyi Song; Shouci Lu

Volume 7 Issue 4

Dec. 2000

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Abstract

International Journal of Minerals, Metallurgy and Materials > 2000 > 7(4): 237-241.

Lei Shao, Rolf A. Kleiv, Kunt L. Sandvik, Cunyi Song, and Shouci Lu, Copper Adsorption on Olivine, J. Univ. Sci. Technol. Beijing , 7(2000), No. 4, pp.237-241.

Cite this article as:

Lei Shao, Rolf A. Kleiv, Kunt L. Sandvik, Cunyi Song, and Shouci Lu, Copper Adsorption on Olivine, J. Univ. Sci. Technol. Beijing , 7(2000), No. 4, pp.237-241.

Cite this article as:

Lei Shao, Rolf A. Kleiv, Kunt L. Sandvik, Cunyi Song, and Shouci Lu, Copper Adsorption on Olivine, J. Univ. Sci. Technol. Beijing , 7(2000), No. 4, pp.237-241.

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Mineral

Copper Adsorption on Olivine

Lei Shao¹⁾,
Rolf A. Kleiv²⁾,
Kunt L. Sandvik²⁾,
Cunyi Song¹⁾ and
Shouci Lu¹⁾

Author Affilications

Resources Engineering School, University of Science and Technology Beijing, Beijing 100083, China
Department of Geology and Mineral Resources Engineering, Norwegian University of Science and Technology, 7034 Trondheim, Norway

Received: 17 November 1999; Available Online: 17 June 2021

Graphical Abstract

Abstract

Abstract

Copper adsorption on olivine supplied by the A/S Olivine Production Plant at Aheim in western Norway was studied. The factors were evaluated which affect the uptake of copper. It is shown that the equilibrium pH of aqueous solution has the greatest influence on copper adsorption thanks to the competitive adsorption between proton and copper ions, and the adsorption of copper to olivine increases rapidly with pH increasing from 4 to 6. Moreover, initial copper concentration and olivine dose possess significant effect on copper adsorption, for the adsorption rate of copper increases with olivine dose increasing or initial copper concentration decreasing at the same pH. In addition, the ionic strength effect on the adsorption was also investigated, but it owns little effect on the adsorption process of copper due to the formation of inner sphere adsorption of copper on olivine. The experimental data show that olivine has a high acid buffer capacity and is an effective adsorbent for copper.
- copper,
- adsorption,
- olivine,
- ionic strength,
- acid mine drainage

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